The Harold Larnder Prize is awarded annually to an individual who has achieved
international distinction in operational research. The prize winner delivers the Harold Larnder Memorial
Lecture, on a topic of general interest to operational researchers, at the National Conference of the Canadian Operational
Harold Larnder was a well-known Canadian in wartime OR. He played a major part in the development of an
effective, radar-based, air defence system during the Battle of Britain. He returned to Canada in 1951 to join the Canadian
Defence Research Board and was President of CORS in 1966-67.